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Table 2 Characteristics of the participants by tertiles of life’s crucial 9 scores

From: Associations of life’s crucial 9 with mortality among older adults with frailty: a prospective cohort study from the NHANES 2007 to 2018

Variable

Total

T1

T2

T3

P value

Participants, (N)

2690

920

904

866

< 0.001

Age (year)

71.25 ± 0.21

69.54 ± 0.35

72.23 ± 0.31

71.97 ± 0.29

Sex, n (%)

    

0.209

 Female

1436(58.51)

539(61.97)

471(57.28)

426(56.36)

 Male

1254(41.49)

381(38.03)

433(42.72)

440(43.64)

Race, n (%)

    

< 0.001

 Non-Hispanic Black

594(10.02)

264(13.89)

189(9.88)

141(6.47)

 Non-Hispanic White

1387(76.57)

410(72.26)

474(76.60)

503(80.63)

 Mexican American

323(4.67)

118(5.11)

122(5.37)

83(3.59)

 Others

386(8.74)

128(8.74)

119(8.15)

139(9.31)

Education level, n (%)

    

< 0.001

 Less than high school

1393(45.20)

528(51.12)

504(50.11)

361(34.97)

 High school

223(7.90)

68(7.69)

78(8.76)

77(7.30)

 College or above

1074(46.90)

324(41.19)

322(41.13)

428(57.73)

Marital, n (%)

    

0.026

 Married

1296(52.89)

394(48.97)

427(50.04)

475(59.29)

 Separated

1258(42.68)

472(46.66)

437(45.41)

349(36.34)

 Unmarried

136(4.43)

54(4.37)

40(4.54)

42(4.37)

Family of poverty ratio

    

< 0.001

 < 1.3

1037(26.87)

446(35.04)

327(25.56)

264(20.33)

 1.3–3.5

1173(46.18)

365(44.08)

423(51.39)

385(43.30)

 > 3.5

480(26.95)

109(20.88)

154(23.05)

217(36.37)

CVD, n (%)

    

0.820

 Yes

1281(47.67)

448(48.10)

419(46.59)

414(48.26)

 No

1409(52.33)

472(51.90)

485(53.41)

452(51.74)

DM, n (%)

    

< 0.001

 Yes

1408(48.56)

610(63.30)

481(50.61)

317(32.62)

 No

1282(51.44)

310(36.70)

423(49.39)

549(67.38)

Hypertension, n (%)

    

< 0.001

 Yes

2277(83.90)

827(88.71)

760(84.21)

690(79.03)

 No

413(16.10)

93(11.29)

144(15.79)

176(20.97)

Cancer, n (%)

    

< 0.001

 Yes

752(33.25)

212(24.88)

262(34.77)

278(39.80)

 No

1938(66.75)

708(75.12)

642(65.23)

588(60.20)

Depression, n (%)

    

< 0.001

 Yes

543(19.77)

295(32.66)

165(18.72)

83(8.49)

 No

2147(80.23)

625(67.34)

739(81.28)

783(91.51)

  1. Mean ± standard error (SE) for continuous variables, Percentage (%) for categorical variables